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Only return the sensor data whose value has changed on the envirophat

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backend
This commit is contained in:
Fabio Manganiello 2019-08-01 23:33:36 +02:00
parent f06a851b61
commit a3271f0522
1 changed files with 3 additions and 1 deletions
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4
platypush/backend/sensor/envirophat.py
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@ -27,6 +27,7 @@ class SensorEnvirophatBackend(SensorBackend):
super().__init__(self, **kwargs) super().__init__(self, **kwargs)
self.qnh = qnh self.qnh = qnh
self._last_read = {}
self.enabled_sensors = { self.enabled_sensors = {
'temperature': temperature, 'temperature': temperature,
'pressure': pressure, 'pressure': pressure,
@ -43,9 +44,10 @@ class SensorEnvirophatBackend(SensorBackend):
ret = { ret = {
sensor: sensors[sensor] sensor: sensors[sensor]
for sensor, enabled in self.enabled_sensors.items() for sensor, enabled in self.enabled_sensors.items()
if enabled and sensor in sensors if enabled and sensor in sensors and sensors[sensor] != self._last_read.get(sensor)
} }
self._last_read = ret
return ret return ret